The branch of engineering which focuses on the operational techniques, design processes and methods to increase production efficiency is known as chemical engineering. It draws on the principles of physics, mathematics, chemistry, economics and biology for efficient transportation and transformation of energy and materials. Some of the important aspects of chemical engineering are process design and analysis, plant design and construction, and transport phenomenon. It finds extensive applications across a wide variety of fields such as polymers, medical devices, fertilizers, foods, drugs, petrochemicals and microelectronics. Chemical engineering also applies concepts from nanomaterials and nanotechnology to industrial processes responsible for converting raw materials and chemicals into useful products. This book is a compilation of chapters that discuss the most vital concepts in the field of chemical engineering. It elucidates new techniques and their applications in a multidisciplinary approach. As this field is emerging at a rapid pace, the contents of this book will help the readers understand the modern concepts and applications of the subject.